dridex | 049a46590281b36139e59e857ba09f5423f4ca663f843b68d9ced03816cef1dc

Analysis

max time kernel
106s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16-08-2024 03:23

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General

Target

ae5324c16fc7f4e87e1f45c9b95e2950N.dll
Size

184KB
MD5

ae5324c16fc7f4e87e1f45c9b95e2950
SHA1

91c6f456bbfb00f2ec4a91c80d91858027db5df3
SHA256

049a46590281b36139e59e857ba09f5423f4ca663f843b68d9ced03816cef1dc
SHA512

e3db818d7bca3c0100971f76d58df915ac4561f6f8ae915e8a4aa40b9aed4cf65f3c2a446368ebd82aa471149f264588ea6e95cd49b90e998f80ef411efad34b
SSDEEP

3072:8iLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaojlzoxss7:8iLVCIT4WK2z1W+CUHZj4Skq/eao5oC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/1688-0-0x0000000075210000-0x000000007523F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3048	1688	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 1688	832	rundll32.exe	83
PID 832 wrote to memory of 1688	832	rundll32.exe	83
PID 832 wrote to memory of 1688	832	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ae5324c16fc7f4e87e1f45c9b95e2950N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:832
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ae5324c16fc7f4e87e1f45c9b95e2950N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 616
    3⤵
    - Program crash
    PID:3048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 1688 -ip 1688
1⤵
PID:2076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1688-0-0x0000000075210000-0x000000007523F000-memory.dmp

Filesize
188KB

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memory/1688-2-0x0000000001390000-0x0000000001396000-memory.dmp

Filesize
24KB

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